Fire extinguisher



FIG. 1 is a perspective view of the fire extinguisher.

FIG. 2 is a front side view of the fire extinguisher;

FIG. 3 is a back side view of the fire extinguisher;

FIG. 4 is a left side view of the fire extinguisher;

FIG. 5 is a right side view of the fire extinguisher;

FIG. 6 is a top view of the fire extinguisher; and,

FIG. 7 is a bottom view of the fire extinguisher.

The portions of the figures that are presented in broken lines merely illustrate the environment of the design and are not part of the claimed design. 

CLAIM The ornamental design for a fire extinguisher, as shown and described. 